Are you really good at Sudoku? Find out with this challenging collection of 60 medium, hard and very hard Sudoku puzzles from 6 different variants, including Classic, Diagonal, Irregular, OddEven, Chain and Multi.

We use our own and third party cookies to improve our services and to show advertising related to your preferences by analyzing your browsing habits. If you continue to browse we will consider you to accept their use. You can change the settings or get more information here.